Shoulder portion of a bottle



FIG. 1 is a perspective view of a shoulder portion of a bottle showing my new design;

FIG. 2 is a front elevation thereof, the rear and side elevations are the same; and,

FIG. 3 is a top plan view thereof.

The broken lines shown in FIGS. 1 through 3 are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a shoulder portion of a bottle, as shown and described. 